CVE-2017-11672 : Vulnerability Insights and Analysis

This CVE-2017-11672 article provides insights into a vulnerability in the OPC Foundation Local Discovery Server (LDS) before version 1.03.367, potentially enabling unauthorized local users to elevate their privileges.

Understanding CVE-2017-11672

The OPC Foundation Local Discovery Server (LDS) vulnerability could allow local users to gain elevated privileges due to a misconfiguration in the Windows Service setup.

What is CVE-2017-11672?

The vulnerability in the OPC Foundation Local Discovery Server (LDS) before version 1.03.367 arises from the absence of double quotation marks around the opcualds.exe executable path, potentially facilitating privilege escalation for unauthorized local users.

The Impact of CVE-2017-11672

The vulnerability could lead to unauthorized local users gaining elevated privileges on the affected systems, posing a security risk to the integrity and confidentiality of the data.

Technical Details of CVE-2017-11672

The technical details shed light on the specific aspects of the vulnerability.

Vulnerability Description

The OPC Foundation Local Discovery Server (LDS) before version 1.03.367, when configured as a Windows Service, lacks double quotation marks around the opcualds.exe executable path, potentially enabling unauthorized local users to escalate their privileges.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by local users to manipulate the misconfigured executable path and gain unauthorized elevated privileges.

Mitigation and Prevention

Addressing the CVE-2017-11672 vulnerability requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the OPC Foundation Local Discovery Server (LDS) to version 1.03.367 or later to mitigate the vulnerability.
Implement least privilege access controls to limit user permissions.

Long-Term Security Practices

Regularly monitor and audit system configurations to detect any misconfigurations that could lead to privilege escalation.
Educate users on security best practices to prevent unauthorized access and privilege escalation.

Patching and Updates

Apply security patches and updates provided by the vendor promptly to address known vulnerabilities and enhance system security.